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- The design, building, and use of engines, machines, and structures. For any engineering topics not applicable to the categories below.
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Jan16-12 Greg Bernhardt
We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...
Jun23-14 12:38 AM
OmCheeto
1,027 231,338
You're just one click away from posting your homework help request! Click here to post.
May17-14 06:51 PM
Redbelly98
0 2,283
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
rneale
38 60,341
Hello, I have a small question about moments and bending moments. So, if I have a beam with a loading given by q...
May22-11 05:06 PM
Studiot
3 6,753
Hello, I have a production problem and would welcome any ideas which would make this task easier. I need to fill...
May22-11 12:15 PM
poor mystic
4 1,846
What do you call a switch that switches off an electric powered water pump if the pressure drops to low? An example...
May22-11 09:45 AM
Harold123
2 3,132
Hi everybody! Would someone please advise on the following matter. I'm making up a table of railcar operating loads....
May22-11 05:35 AM
Altai
4 1,402
I'm considering some issues regarding condensation at work. If you have a cold surface surrounded by room temp air,...
May21-11 05:09 PM
Studiot
1 1,554
Idea for a microphone. Hi People! I've had an idea for a monochrome light microphone, which I have...
May20-11 10:10 PM
poor mystic
3 2,140
Hi all, I am a non-traditional student recently back to school. I have just been accepted to Temple and Drexel...
May20-11 03:53 PM
russ_watters
1 2,209
Water flows through venturi tube at 0.3 litres/s. Diameter of venturi tube is 32mm to 20mm to 32mm and the water...
May20-11 05:52 AM
tiny-tim
1 1,718
First off-- I would like to say that I love what Engineers do. Absolutely fascinating. My careeer is in Medicine...
May19-11 10:59 PM
viscousflow
8 4,373
This seems like an interesting idea. I don't know how well it will pan out, but I find it interesting that U.S....
May19-11 10:33 PM
Drakkith
12 2,214
Assuming that funding is not an issue, is it within the limits of engineering to move Hoover Dam, including the...
May19-11 11:51 AM
Nik_2213
3 2,614
I understand that thermal conductivity is W/(m.K) and u-factor is W/m K. Obviously U factor is energy transfer over...
May18-11 05:24 PM
russ_watters
11 4,496
Ok, so I have a problem as follows: A beam is simply supported at joints A, B, C D and E. there is a UDL acting...
May16-11 11:07 PM
diflection1
4 4,866
Air flow in shop is through 1/4" hose. pneumatic motor has 1/2" inlet plus the tubeing to and from valve is also all...
May16-11 08:24 AM
bigbsonnier
8 6,861
Hey everyone, hoping someone can point me in the right direction with a deflection question. A pressure vessel I'm...
May15-11 05:34 PM
Spimon
4 5,800
Hi, ill keep it short. im doing a design project where im planning to keep heated water/ethylene glycol in an average...
May14-11 02:30 PM
laurencem
0 1,204
Can any one suggest good books for linear control systems and measurements?
May14-11 04:52 AM
ajith.mk91
0 1,195
I'm in need of a specific heat exchanger (a quench cooler). It needs to cool fast (in seconds) and it needs to cool a...
May13-11 04:05 PM
abc007
1 3,186
Pertaining to conduit bending and ease to pull wire, would it be easier through one 90 degree bend of a set radius, or...
May12-11 08:00 PM
ISX
7 2,662
I just finished my second year of Engineering Physics at McMaster (specifically, nuclear) and I'm on a summer coop...
May11-11 08:24 PM
Schr0d1ng3r
2 2,519
Hello. The title of this post may seem too hardcore. Actually, I am building a simple wind turbine made from wood...
May11-11 07:46 PM
LeroyLaRey
8 4,911
So in my mechanics of materials class we were taught about stress-strain curves. I asked a couple of times for the...
May11-11 08:21 AM
stpmmaths
9 3,118
ffff
May10-11 04:45 PM
SteamKing
1 1,400
I am positive when I was a kid some Candian guy, maybe from Alberta made robots without microchips. They seemed to...
May10-11 10:32 AM
Mech_Engineer
14 3,783
I have a question regarding the design of pressure vessels, which is: what is the 'maximum allowable working...
May9-11 10:49 PM
sitiamira
28 48,674
Where can I find a student version of AutoCAD? I have looked and can not find one. Surely they offer one. I bought...
May9-11 05:05 AM
sukibelle
6 10,133
I know how well you do in high school has little to do with how well you go in uni. But in Australia, the entry...
May9-11 02:52 AM
xxChrisxx
1 2,065
So I'll be a senior next year in high school, and all of us students must take on the dreaded senior project. I've...
May8-11 09:26 PM
pleasehelpme?
0 2,138
Hey guys! I'm new to Physics Forum and I have a question. I am building a mousetrap car for my 8th grade science class...
May8-11 09:13 PM
SteamKing
7 7,128
I am in Africa and need an non electric non gas water pumping application. I have design information and what I have...
May8-11 04:12 PM
Michael Hayes
1 2,754
I have received the following private message. Questions should not be asked this way. However it is a reasonable...
May8-11 02:29 PM
russ_watters
3 1,841
So I am trying to figure out this shear stress problem that I have no idea how to approach. I have a shaft which is...
May8-11 02:18 PM
Studiot
3 3,219
Please delete this I was in the wrong section. Sorry.
May7-11 04:50 PM
tameree
0 2,325
Hi, i dont even know if there is any solution to this... still trying my luck i am working pn a project related...
May7-11 08:13 AM
tahsid
2 2,720
If I have something that can lift 400lbs. How would I determine how much pressure this could generate if used in a...
May6-11 08:32 PM
fierwall5
6 18,002
No is the one sided noise spectral density in communication systems. N is the double sided noise spectral density. ...
May6-11 06:20 PM
marcusl
1 10,766
Alright guys, some trees fell in a really weird way. I made a video of my perdicament. I have 10 hours to figure...
May6-11 05:33 PM
MrPennywhistl
0 1,142
Hi I have recently been researching engineering degrees and cannot make a decision as there seem to be so many...
May6-11 12:46 AM
viscousflow
5 2,661
good afternoon i have a project to build a water dispenser. i'm strugling with heat transfer equations since it's...
May5-11 11:49 AM
Mech_Engineer
3 1,719
When a signal from an accelerometer is being filtered should a high or low pass filter be used? I am trying to isolate...
May4-11 02:42 PM
berkeman
2 1,736

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